honkoma/lib/pleroma/ldap.ex

85 lines
2.4 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.LDAP do
alias Pleroma.User
require Logger
@connection_timeout 10_000
@search_timeout 10_000
def get_user(name, password) do
ldap = Pleroma.Config.get(:ldap, [])
host = Keyword.get(ldap, :host, "localhost")
port = Keyword.get(ldap, :port, 389)
ssl = Keyword.get(ldap, :ssl, false)
sslopts = Keyword.get(ldap, :sslopts, [])
options =
[{:port, port}, {:ssl, ssl}, {:timeout, @connection_timeout}] ++
if sslopts != [], do: [{:sslopts, sslopts}], else: []
case :eldap.open([to_charlist(host)], options) do
{:ok, connection} ->
try do
uid = Keyword.get(ldap, :uid, "cn")
base = Keyword.get(ldap, :base)
case :eldap.simple_bind(connection, "#{uid}=#{name},#{base}", password) do
:ok ->
case User.get_by_nickname_or_email(name) do
%User{} = user ->
user
_ ->
register_user(connection, base, uid, name, password)
end
error ->
error
end
after
:eldap.close(connection)
end
{:error, error} ->
Logger.error("Could not open LDAP connection: #{inspect(error)}")
{:error, {:ldap_connection_error, error}}
end
end
def register_user(connection, base, uid, name, password) do
case :eldap.search(connection, [
{:base, to_charlist(base)},
{:filter, :eldap.equalityMatch(to_charlist(uid), to_charlist(name))},
{:scope, :eldap.wholeSubtree()},
{:timeout, @search_timeout}
]) do
{:ok, {:eldap_search_result, [{:eldap_entry, _, attributes}], _}} ->
with {_, [mail]} <- List.keyfind(attributes, 'mail', 0) do
params = %{
email: :erlang.list_to_binary(mail),
name: name,
nickname: name,
password: password,
password_confirmation: password
}
changeset = User.register_changeset(%User{}, params)
case User.register(changeset) do
{:ok, user} -> user
error -> error
end
else
_ -> {:error, :ldap_registration_missing_attributes}
end
error ->
error
end
end
end